85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
// 25 february 2014
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package ui
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import (
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"fmt"
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// "syscall"
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"unsafe"
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)
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// pretty much every constant here except _WM_USER is from commctrl.h
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// TODO for all: filter out constants not available in Windows 2000
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// InitCommonControlsEx constants.
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const (
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_ICC_LISTVIEW_CLASSES = 0x00000001
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_ICC_TREEVIEW_CLASSES = 0x00000002
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_ICC_BAR_CLASSES = 0x00000004
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_ICC_TAB_CLASSES = 0x00000008
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_ICC_UPDOWN_CLASS = 0x00000010
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_ICC_PROGRESS_CLASS = 0x00000020
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_ICC_HOTKEY_CLASS = 0x00000040
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_ICC_ANIMATE_CLASS = 0x00000080
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_ICC_WIN95_CLASSES = 0x000000FF
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_ICC_DATE_CLASSES = 0x00000100
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_ICC_USEREX_CLASSES = 0x00000200
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_ICC_COOL_CLASSES = 0x00000400
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_ICC_INTERNET_CLASSES = 0x00000800
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_ICC_PAGESCROLLER_CLASS = 0x00001000
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_ICC_NATIVEFNTCTL_CLASS = 0x00002000
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_ICC_STANDARD_CLASSES = 0x00004000
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_ICC_LINK_CLASS = 0x00008000
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)
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var (
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_initCommonControlsEx = comctl32.NewProc("InitCommonControlsEx")
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)
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func initCommonControls() (err error) {
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var icc struct {
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dwSize uint32
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dwICC uint32
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}
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icc.dwSize = uint32(unsafe.Sizeof(icc))
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icc.dwICC = _ICC_PROGRESS_CLASS
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r1, _, err := _initCommonControlsEx.Call(uintptr(unsafe.Pointer(&icc)))
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if r1 == _FALSE { // failure
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// TODO does it set GetLastError()?
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return fmt.Errorf("error initializing Common Controls (comctl32.dll): %v", err)
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}
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return nil
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}
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// Common Controls class names.
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const (
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_PROGRESS_CLASS = "msctls_progress32"
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)
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// Shared Common Controls styles.
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const (
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_WM_USER = 0x0400
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_CCM_FIRST = 0x2000
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_CCM_SETBKCOLOR = (_CCM_FIRST + 1)
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)
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// Progress Bar styles.
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const (
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_PBS_SMOOTH = 0x01
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_PBS_VERTICAL = 0x04
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)
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// Progress Bar messages.
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const (
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_PBM_SETRANGE = (_WM_USER + 1)
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_PBM_SETPOS = (_WM_USER + 2)
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_PBM_DELTAPOS = (_WM_USER + 3)
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_PBM_SETSTEP = (_WM_USER + 4)
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_PBM_STEPIT = (_WM_USER + 5)
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_PBM_SETRANGE32 = (_WM_USER + 6)
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_PBM_GETRANGE = (_WM_USER + 7)
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_PBM_GETPOS = (_WM_USER + 8)
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_PBM_SETBARCOLOR = (_WM_USER + 9)
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_PBM_SETBKCOLOR = _CCM_SETBKCOLOR
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)
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